Tool Steels for the Plastics Industry - Buderus Edelstahl Gmbh

Tool Steels 

for the Plastics Industry 

I Production Technology I Properties I Applications

2 

Buderus – the Leading-Edge Specialist 

in Plastic Mould Steels 

State-of-the-art Metallurgy 

Scrap metal is the basic 

component of the raw 

material for our high- 

grade tool steels 

Production and development of tool steels for the 

plastics processing industry is the specialist field of 

Edelstahlwerke Buderus GmbH 

I Producing high-purity electric steel 

melts using secondary and vacuum 

metallurgical processes 

I Producing Buderus ISO-B grade tool 

steels, i.e. special melting with 

extremely low sulfur content and 

a high level of purity 

I Bottom-poured ingots and special 

hood type furnace technology for 

manufacturing low-segregation raw 

ingots 

I Hot forming to programmed forging 

sequences for ingots of up to 

160 tonnes 

I All heat treatment processes in 

continuous and bogie hearth furnaces 

under protective gas, vacuum atmosphere 

with compressed gas tempering 

and salt bath hardening 

I Efficient machining to customer 

specification and drawing 

100 tonne ladle furnace (LF-VD/VOD) 

for producing high-purity tool steels 

involving secondary and vacuum 

metallurgical processes 

80/100 MN forging press Swaging a 100 tonne ingot

Lagerservice 

Custom-made steels and moulds for the 

tool-making industry 

I A wide variety of tool steels in stock, 

round, square and flat 

I Blanks split longitudinally or across; 

prompt delivery from material in stock 

I Production of die bases 

I Pre-machining to 3D data 

I Finish machining of holder blocks and 

ancillary fittings 

I Available heat treatment for 

premachined moulds 

I Service for etch-graining and polishing 

I Consult on all material, heat treatment 

and finishing questions 

Machining 

Horizontal band sawing up to 2,000 mm 

Vertical band sawing up to 1,500 mm 

Portal milling machines up to L x W x H 6,000 x 2,000 x 2,500 mm 

Horizontal boring machines up to 1,500 x 2,200 mm 

Deep hole drilling machine drill hole diameter / depth 6–42 mm/3,200 mm 

Surface grinding facilities up to 2,500 x 4,200 mm 

Profile saw cutting up to 2,000 mm 

Premachining on gantry 

milling machines 

Roughing 

3

Plastic mould steels for all plastic products 

with high-grade product surfaces 

High quality plastic mouldings for the 

automotive industry, consumer durables 

industry, components and electronics 

4 

Highest Level of Quality 

Largest dimensions in the world 

for plastic moulds 

Special features 

● ● ● very good 

● ● good 

● normal 

● unsuitable 

2311 ISO-BM 

40CrMnMo7 

2312 

40CrMnMoS8-6 

2316 ISO-B mod. 

~X38CrMo16 


~X37CrMoV5-1 

2711 ISO-B 

54NiCrMoV6 

2738 ISO-BM 

40CrMnNiMo8-6-4 

2738mod.TS(HH) 

26MnCrNiMo6-5-4 

Hardness ● ● ● ● ● ● ● ● ● ● ● ● ● ● 

Toughness ● ● ● ● ● ● ● ● ● ● ● 

Workability ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 

Etch-grainability ● ● ● ● ● ● ● ● ● ● ● ● ● ● 

Suitability for 

hard chrome plating 

● ● ● ● ● ● ● ● 

2767 ISO-B 

X45NiCrMo16 

Polishability ● ● ● ● ● ● ● ● * ● ● ● ● * ● ● ● * 

Corrosion resistance ● ● ● ● ● ● ● ● ● ● 

Flame hardenability ● ● ● ● ● ● ● ● 

Thermal conductivity ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 

Dimensional constraints < 400 mm no yes no no no no no 

* Reliable high-gloss polishability on request

Large Dimensions 

are our Strength 

From melting through to the end product 

160 t forging grade ingot under the 80/100 MN press 

The process of producing a complete plastic mould, consisting of 

the core and bottom die made of 2738mod.TS(HH). Buderus tool 

steels are ideally suited for high-quality plastic moulds in the 

automotive industry. 

Front bumper cladding 

Preparing the mould 

Pre-machined core piece 

Demoulding the plastic item in production 

5

6 

2311 ISO-BM 

Pioneer of the Mould Steel Family 

For sophisticated products 

in the small dimension range 

Edelstahlwerke Buderus GmbH has carried 

out developments with a view to adapting 

material properties of forgings of the steel 

grade 23 11 to the current state of mould 

making and plastics processing technology, 

in order to meet all relevant quality 

requirements. The result is the material 

2311 ISO-BM for dimensions up to 400 

mm thick. For large and extremely large 

plastic moulds we recommend the material 

2738 ISO-BM (page 11) and especially 

steel 2738mod.TS(HH) (page 12). 

This provides quality products with all the 

properties required. 

The grain reliability of steel 2311 ISO-BM 

is assured. 

ISO-BM stands for: isotropic properties 

with excellent machinability. 

Delivered condition* 

Hardened and tempered to 280–325 HB 

� 950–1100 MPa 

annealed on request 

Contour milling to 3D data 

SEL 40CrMnMo7 

DIN EN ISO 4957 40CrMnMo7 

AFNOR 40CMD8 

AISI ~P20 

BS ~P20 

Chemical analysis (percentage by mass) 

C Si Mn P S Cr Mo 

Typical values 0.38 0.30 1.50 0.020 0.003 2.00 0.20 

SEL analysis 0.35– 0.20– 1.30– � � 1.80– 0.15– 

0.45 0.40 1.60 0.035 0.035 2.10 0.25 

* Surface hardness in Brinell, converted into MPa to DIN EN ISO 18265 Table A.1

2312 

The Economic Option 

Mould steel with excellent workability and ideal machining properties 

for injection moulding and compression moulding dies 

The mould steel 2312, 40CrMnMoS8-6 is 

used where there is requirement for surface 

finishing such as polishing, etch-grain ing or 

hard chrome plating. 

The controlled sulfur content gives mould 

steel 2312 particularly economic machining 

properties. 

In mould making, suitable only for core 

parts and ejector sides of injection moulding 

and compression moulding dies with 

no special surface finish requirements, and 

subject to low mechanical stress. 


Heat treated to 280–325 HB 

� 950–1100 MPa 


2312 core part undergoing rough machining 

SEL 40CrMnMoS8-6 

DIN EN ISO 4957 40CrMnMoS8-6 

AFNOR 40CMD8S 

AISI ~P20 + S 

BS ~P20 + S 


C Si Mn P S Cr Mo 

Typical values 0.38 0.30 1.50 0.020 0.070 2.00 0.20 

SEL analysis 0.35– 0.30– 1.40– � 0.050– 1.80– 0.15– 

0.45 0.50 1.60 0.030 0.100 2.00 0.25 

* Surface hardness in Brinell, converted into MPa to DIN EN ISO 18265 Table A.1 

7

SEL ~X38CrMo16 

DIN EN ISO 4957 ~X38CrMo16 

AFNOR Z35CD17 

AISI ~422 

BS 

8 


The Stainless Option 

High degree of resistance 

in use with aggressive materials 

Well suited for processing chemically 

aggressive and acid-releasing plastics such 

as PVC, amino plastics and halogenated 

flame retardant additives. Modified corrosion-resistant 

mould steel, polishable, 

etch-grain-able and economic to machine. 

Applications: Injection moulds, mould 

inserts, slit dies, profile dies, extrusion 

dies, drop forging tools and coaxial 

housings for processing PVC amino plastics 

and additives; blow moulds. 

The steel Buderus 2316 ISO-B mod. is machined 

and used in the hardened and tempered 

state. It has a wear-resistant surface, 

is pressure-resistant and tough, and after 



� 900-1050 MPa 

Sizing tool for PVC profiles 

annealing treatment it can be used hardened 

to about 50 HRC because of its modified 

composition. 

When processing amino plastics and PVC 

alloys, highly aggressive by-products such 

as hydrochloric acid (HCl) can occur at 

high working temperatures (>160 °C), 

causing corrosive attack of the mould sur- 

face. No mould steel is resistant to that. A 

production temperature of 160 °C should 

therefore not be exceeded. 

To avoid inter-crystalline corrosion effects 

(surface and pitting corrosion), environmental 

factors such as the plastic, operating 

temperature and corrosiveness of the 

cooling water must be taken into account. 


C Si Mn P S Cr Ni Mo 

Typical values 0.28 0.30 0.95 0.030 0.003 14.2 ~0.50 1.10 

SEL analysis 0.33– � � � � 15.5– � 0.80– 

0.45 1.00 1.50 0.030 0.030 17.5 1.00 1.30 



The Tough Option 

Special mould steel that shows its strengths 

under extreme abrasive stress 

This high-alloy hot working steel has become 

established in recent years for plastic moulds 

subject to high stress. In addition to hardenability 

to 52 HRC, the grade 2343 ISO-B mod. 

is distinguished by high resistance to abrasion 

and high pressure resistance.It is therefore 

suitable for processing thermosetting plastics 

and thermoplastics with additives and composite 

materials. 

Additional surface coatings can be readily 

applied by PVD and nitriding. The high working 

hardness of the steel gives it very good 

polishability. 

Characteristic profile 

I Quasi isotropic material properties 

I Improved toughness properties with high 

component hardness 

I Good pressure resistance and 

resistance to fracture 

I Excellent wear resistance, especially in 

combination with diverse surface coatings 


Annealed to 

max. 229 HB � 775 MPa 

Heat treated to customer specification 

SEL ~X37CrMoV5-1 

DIN EN ISO 4957 ~X37CrMoV5-1 

AFNOR Z38CDV5 

AISI ~H11mod. 

BS ~BH11 

Bottom mould 

for a car door 

module with a 

tool hardness of 

50 HRC and 

Balinit® A coating 


C Si Mn P S Cr Mo V 

Typical values 0.35 0.30 0.40 0.010 0.003 5.00 1.35 0.50 

SEL analysis 0.33– 0.80– 0.25– � � 4.80– 1.10– 0.30– 

0.41 1.20 0.50 0.030 0.020 5.50 1.50 0.50 


9

SEL 54NiCrMoV6 

AFNOR 55NCDV7 

AISI ~6F2 

BS ~BH224 

10 

2711 ISO-B 

The Brilliant Finish 

For processing transparent melts and 

for large-surface plastic parts 

For high quality surface finishes with 

mould hardness 355 to 415 HB the nickel 

alloy steel 2711 ISO-B is recommended. 

For large moulds such as tailgates, mudguards, 

spoilers etc. with hardness values in 

excess of 355 HB contour hardening is 

preferred. 

The machinability of 2711 ISO-B is lower 

compared to 2311/2738 ISO-BM, 2738 

ISO-BM and 2738mod.TS(HH) because of 

its low sulfur content. It may be necessary 

to adjust the cutting conditions, especially 

with deep hole drilling. 


Annealed to max. 248 HB, 

hardened and tempered to 280–325 HB 

� 950–1100 MPa or to 

355–415 HB � 1200–1400 MPa 

or to customer specification 

Premachined mould part 

for contour hardening 


I High sulfidic and oxidic percentage 

purity by using special metallurgical 

methods 

I Very good polishability (reliable highgloss 

polishability on request) 

I Largely isotropic, i.e. non-directional 

material properties 

I Very good toughness and hence higher 

resistance to fracture 

I Grain reliable 

I Suitable for hard chrome plating 

I Also suitable for high hardnesses up to 

415 HB with abrasive stress 


C Si Mn P S Cr Ni Mo V 

Typical values 0.52 0.20 0.70 0.020 0.002 0.75 1.75 0.30 0.10 

SEL analysis 0.50– 0.15– 0.50– � � 0.60– 1.50– 0.25– 0.07– 

0.60 0.35 0.80 0.025 0.025 0.80 1.80 0.35 0.12 


2738 ISO-BM 

The Proven Steel 

For large dimensions with good through 

tempering properties 

The plastic mould steel 2738 ISO-BM has 

been developed from the standard grade 

2311. It is best suited for mould dimensions 

from 400 mm thick. 

Adding up to 1.2 % nickel by alloying signifi-cantly 

improves penetration hardening 

up to 1,000 mm thickness. Good machinability 

combined with polishability 

and etch-grainability are the defining characteristics 

of this standard steel. 



� 950–1100 MPa 


Where high polishability and etch-grainability 

are required, in the case of large 

dimensions, and because of its greater 

toughness also for higher levels of tool 

hardness, we recommend 2738mod.TS(HH) 

(see page 12) 

Tool die for boot cladding 

SEL 40CrMnNiMo8-6-4 

DIN EN ISO 4957 40CrMnNiMo8-6-4 

AFNOR 40CMND8 

AISI ~P20 + Ni 

BS ~P20 + Ni 


I Higher degree of through hardening 

for large dimensions 

I Polishability 


I Hard chrome platable 

I Nitridability 

I Flame hardenable 




SEL analysis 0.35– 0.20– 1.30– � � 1.80– 0.90– 0.15– 

0.45 0.40 1.60 0,030 0,030 2.10 1.20 0.25 


11

2738mod.TS 


The Perfect Steel for the Future 

The plastic mould steel THRUHARD SUPREME® (TS) 

is ideally suited for almost all applications in 

the plastics industry 

Excellent prospects for the future 

By systematically developing the mould 

steel 2738, we have pioneered an outstanding 

high-quality and versatile mould steel 

for low-segregation, through-hardening 

steel ingots with extremely large dimensions, 

THRUHARD SUPREME ® (TS). The modifi 

ed composition and specially adapted 

heat treatment achieve a higher level of 

hardness through to the core of even the 

largest dimensions. 


Standard grade: 

280–325 HB � 950–1100 MPa 

Abbreviated designation: 2738mod.TS 

HighHard grade: 

310–355 HB � 1050–1200 MPa 

Abbreviated designation: 2738mod.TS(HH) 

DIN designation ~26MnCrNiMo6-5-4 

AFNOR 

AISI 

BS 

12 

Bottom die for car side panel 

Powerful arguments for mould makers 

I One single pre-hardened plastic mould 

steel for a wide range of applications 

I Available in standard grade and in 

HighHard grade (HH). 

I Improved toughness compared to 

2738 ISO-BM 

I Good machinability and high hardness 

I Weldability improved with low 

C content 

I Very good polishability in the HighHard 

variant (reliable high-gloss polishability 

on request) 


C Si Mn P S Cr Ni Mo V 

Typical values 0.26 0.10 1.45 0.015 0.002 1.25 1.05 0.50 0.12 


2767 ISO-B 

Hard and Tough 

The mould steel for extreme stress, 

with a wide range of applications 

Low-distortion, air quench through-hardening, 

nickel alloy tool steel with excellent 

toughness characteristics; very good 

polish ability and grain reliable. This type of 

steel is particularly suitable for all large 

and medium-sized highly stressed compression 

and injection moulds that are 

pre-machined and contour hardened, such 

as injection moulding of transparent resins 

and large-surface plastic parts such as 

tailgates and mudguards, also mould inserts 

for high levels of hardness up to 54 

HRC, and abrasive stress. 


Annealed to max. 260 HB � 880 MPa 

For large moulds we recommend contour 

hardening 

HSC milling a hardened bottom mould 

SEL 45NiCrMo16 

DIN EN ISO 4957 45NiCrMo16 

AFNOR 45NCD16 

AISI 6F7 


I Through hardening for large dimensions 

I Excellent dimensional stability and 

extremely low distortion 

I Simple heat treatment 

I Extreme toughness characteristics 

combined with high hardness 

I Very good polishability (reliable 

high-gloss polishability on request) 


I Good suitability for hard chrome 

plating 




SEL analysis 0.40– 0.10– 0.20– � � 1.20– 3.80– 0.15– 

0.50 0.40 0.50 0.030 0.030 1.50 4.30 0.35 


13

Properties and applications 

Steel group and 

Material number 

Unalloyed tool steel 

14 

SEL designation AISI AFNOR Material characteristic 

1730 C45U SAE 1045 XC 48 Surface hardenable to 55 HRC 

Heat-treatable mould steels 

2311 ISO-BM 40CrMnMo7 ~ P 20 40 CMD 8 Mould steel, economical to machine, good polishability, 

grain-reliable for dimensions less than 400 mm thick, 

hard chrome platable, flame hardenable, nitridable 

2738 ISO-BM 40CrMnNiMo8-6-4 ~ P 20 + Ni 40 CMND 8 Properties as for 2311 ISO-BM, but reliable penetration 

hardening-characteristics for larger dimensions 

2738mod.TS 


26MnCrNiMo6-5-4 Pre-hardened mould steel for the largest dimensions, 

grain reliable, good polishability, good weldability, 

good machinability, high thermal conductivity 

2312 40CrMnMoS8-6 ~ P 20 + S 40 CMD 8 S Mould steel with very good machinability, not suitable for 

polishing, etch graining or hard chrome plating purposes 

2711 ISO-B 54NiCrMoV6 ~ 6 F 2 55 NCDV 7 Tough heat-resistant mould steel 

grain reliable, good polishability, hard chrome platable, 

high percentage purity due to ISO-B process 

Case hardening steel 

2764 ISO-B X19NiCrMo4 P 21 ~ 19 NCD 16 Low-distortion mould steel with surface hardness from 60–62 HRC 

and core hardness 325–415 HB after case hardening (in air), 

very good polishability 

Penetration hardening tool steels 

2343 ISO-B mod. ~ X37CrMoV5-1 ~ H 11mod. Z38 CDV 5 Wear-resistant hot working steels, hardenability up to 50 HRC, 

good nitriding performance, can also be used for large moulds, 

high percentage purity 

2379 ISO-B X153CrMoV12 ~ D 2 Z 160 CDV 12 Inserts nitridable after special heat treatment 

2767 ISO-B 45NiCrMo16 6 F 7 45 NCD 16 Air hardening steel with high dimensional stability, very good 

toughness, hardenability 50–54 HRC, very good polishability 

2842 90MnCrV8 O 2 90 MV 8 Simple heat treatment, low-distortion, surface layer hardness 

58–62 HRC, no special requirements in terms of polishability 

Corrosion resistant steels 

2083 ISO-B X40Cr14 420 Z 40 C 14 Corrosion-resistant mould steel with good polishability, 

good workability, hardenability 50–54 HRC 

2085 X33CrS16 ~ 422 + S ~ Z 33 CS 16 Corrosion-resistant mould steel with very good 

machining properties 

2316 ISO-B mod. ~ X38CrMo16 ~ 422 Z 35 CD 17 Mould steel with very good corrosion resistance, polishable, 

also hardenable to 50 HRC 

Maraging steel 

2709 X3NiCoMoTi18-9-5 Maraging 

300 

Nitriding steels 

Z 2 NKD 

18–09 

This steel permits simple, non-warping heat treatment 

with precipitation hardening at 480 °C after finish machining, 

hardenability up to 55 HRC 

2344 ISO-B X40CrMoV5-1 H 13 Z 40 CDV 5 Nitridable hot working steel for extreme stress exposure 

to wear and torsion at high temperatures 

7735 14CrMoV6-9 20 CDV 5.07 CrMoV nitriding steel with high toughness and 

thermal strength, weldable 

8519 31CrMoV9 32 CDV 12 CrMoV nitriding steel for higher wear exposure 

8550 34CrAlNi7-10 34 CAND 7 Aluminium alloyed standard nitriding steel 

surface hardness after nitriding 1,000 HV approx.

Delivered condition For which tools 

Normalised, max. 190 HB Attachments, holding blocks and tool holding fixtures with low stress, prototyping 

Tempered to 280–325 HB 

� 950–1100 MPa* 


� 950–1100 MPa* 

Normal hardness: 2738mod.TS 


� 950–1100 MPa* 

HighHard: 2738mod.TS(HH) 


� 1050–1200 MPa* 


� 950–1100 MPa* 

Annealed to max. 248 HB 


� 950–1100 MPa* 

or to 355–415 HB 

� 1200 - 1400 MPa* 

Annealed 

max. 250 HB 

Dies for compression and injection moulding tools less than 400 mm thick 

Dies for compression and injection tools, holding blocks production 

for dimensions ≥ 400 mm thick 

Large tools for compression and injection moulds, bumpers, dashboards, garbage containers, TV cabinets 

Compression and injection moulding tools subject to higher mechanical and thermal stress and special surface 

requirements such as good polishability and hard-chrome platability 

Cores for compression and injection moulding tools with no surface requirements and low mechanical stress 

mould assemblies, holding blocks subject to low stress, prototyping 

Compression and injection tools with higher mechanical and thermal stress and special 

surface requirements such as good polishability and hard chrome plateability; 

contour hardening is recommended 

Compression and injection moulding tools with high compression stress 

combined with abrasive surface stress 

Annealed, max. 229 HB Highly stressed plastic moulds, mould inserts for high hardnesses and abrasive stress 

Annealed, max. 255 HB For highly abrasive stress and high hardnesses from 58 to 63 HRC 

Annealed, max. 260 HB for high-speed inserts up to 54 HRC 

Annealed, max. 229 HB 

Annealed, max. 241 HB 

Tempered on request 


� 900–1050 MPa* 


� 900–1050 MPa* 

Solution annealed, 

300 HB approx 

� 1000 MPa* 


� 950–1100 MPa* 


� 900–1050 MPa* 


� 900–1050 MPa* 


� 800–1000 MPa* 

Mould inserts 

Mould fittings and mould frames 

Mould inserts, slit dies, profile dies, sizing tools, blowing moulds, extrusion dies 

Injection moulding tools subject to high compression stress, part inserts, cores, ejectors 

Extruder tools such as screws and cylinders, 

plastifying tools 


Note: There may be a deviation of hardness values 

where portable hardness testing equipment is used. 

Please refer to the equipment manufacturer to 

determine the possible deviation. 

15

Cutting speed (Vc in m /min) for ROUGH- 1 and FINISH MILLING 2 of pl 


Material No. 

HT condition 

and Brinell 

hardness in HB 

HSS 

Rough milling 

Hard alloy 

uncoated 3 

Hard alloy 

coated 3 

P25 P25 P25 P35 

Milling conditions 

Tempering steel 

hardened and 

tempered 

+ - + - + - 

2311 ISO-BM 280–325 • • •• 

(130) 

2312 280–325 • • •• 

(140) 

2711 ISO-B 280–415 • • •• 

(85) 

2738 ISO-BM 280–415 • • •• 

(100) 

2738mod.TS(HH) 310–355 • • •• 

(120) 

Through-hardening tool steel 

For tool diameters > 70 mm, reduce the cutting speed by a factor of 0.7 

1 In the case of rough milling: Feed per tooth (fz) � 0.1 - 0.3 mm Ratio between milling path width and tool diameter < 3/4 

2 In the case of finish milling: Feed per tooth (fz) � 0.03 - 0.3 mm Ratio between milling path width and tool diameter � 1/10 

16 

annealed 

2343 ISO-B mod. max. 229 • • •• 

(100) 

2344 ISO-B max. 229 • • •• 

(100) 

2379 ISO-B max. 255 • • •• 

(75) 

2767 ISO-B max. 260 • • •• 

(100) 

2842 max. 229 • • •• 

(85) 

Corrosion-resistant steel 

hardened and 

tempered 

2316 ISO-B mod. 265–310 • • • • 


annealed 

2764 ISO-B max. 250 • • •• 

(150) 

Unalloyed steel 

normalised 

1730 max. 190 • • •• 

(150) 

•• 

(110) 170 140 

•• 

(120) 180 150 

•• 

(75) 140 100 

•• 

(85) 150 120 

•• 

(100) 180 140 

•• 

(85) 130 110 

•• 

(85) 130 110 

•• 

(65) 110 85 

•• 

(85) 

130 110 

•• 

(75) 120 95 

120 110 

•• 

(130) 200 170 

•• 

(130) 200 160

astic mould steels 

HSS (1.3243) 

fz=max. 0.1 mm 

Hard alloy 

uncoated 3 

Finish Milling 

Hard alloy 

coated 3 

P25 P25 K15 P25 P15 

3 Depth of cut(ap) � approx. 1 /2 x cutting edge length (Lc), for larger feed depths > 1 /2 x Lc, select a lower tooth feed value. 

• Not recommended 

•• We recommend using coated hard alloy; if not available, the () values apply 

Data established by Messrs. WALTER of Tübingen 

Hard alloy 

Cermet 3 

+ - + - + - + - 

20 12 

25 15 

25 20 

20 12 

20 12 

20 10 

20 10 

15 10 

•• 

(190) 

•• 

(210) 

•• 

(130) 

•• 

(160) 

•• 

(210) 

•• 

(150) 

•• 

(150) 

•• 

(110) 

25 20 •• 

(150) 

25 15 

•• 

(20) 

•• 

25 20 

30 20 

•• 

(130) 

•• 

(160) 260 260 300 • 

•• 

(180) 270 270 320 • 

•• 

(110) 210 210 260 • 

•• 

(130) 220 220 270 • 

•• 

(170) 270 260 320 • 

•• 

(130) 190 190 220 • 

•• 

(130) 190 190 220 • 

•• 

(95) 160 160 190 • 

•• 

(130) 190 190 220 • 

•• 

(110) 180 180 210 • 

(12) • • 180 180 • • 

•• 

(220) 

•• 

(220) 

•• 

(190) 300 300 370 • 

•• 

(190) 300 300 370 • 

17

Comparison of standards and analyses 


Material No. 

Unalloyed tool steel 

SEL analyses (%), with S. reservations for ISO-B grades * Typical analysis 

18 

DIN C Si Mn P S Cr Mo Ni V 

1730 C45U 0.42–0.50 0.15–0.40 0.60–0.80 ≤ 0.030 ≤ 0.030 -- -- -- -- 

Heat-treatable mould steels 

2311 ISO-BM 40CrMnMo7 0.35–0.45 0.20–0.40 1.30 –1.60 ≤ 0.035 ≤ 0.003 1.80–2.10 0.15–0.25 -- -- 

2312 40CrMnMoS8-6 0.35–0.45 0.30–0.50 1.40–1.60 ≤ 0.030 0.05–0.10 1.80–2.00 0.15–0.25 -- -- 

2711 ISO-B 54NiCrMoV6 0.50–0.60 0.15–0.35 0.50–0.80 ≤ 0.025 ≤ 0.003 0.60–0.80 0.25–0.35 1.50–1.80 0.07–0.12 

2738 ISO-BM 40CrMnNiMo8-6-4 0.35–0.45 0.20–0.40 1.30–1.60 ≤ 0.030 ≤ 0.003 1.80–2.10 0.15–0.25 0.90–1.20 -- 

2738mod.TS* 26MnCrNiMo6-5-4 0.26 0.10 1.45 ≤ 0.015 0.002 1.25 0.50 1.05 0.12 

2738mod.TS(HH)* 26MnCrNiMo6-5-4 0.26 0.10 1.45 ≤ 0.015 0.002 1.25 0.50 1.05 0.12 


2764 ISO-B X19NiCrMo4 0.16–0.22 0.10–0.40 0.15–0.45 ≤ 0.030 ≤ 0.003 1.10–1.40 0.15–0.25 3.80–4.30 -- 

Through-hardening tool steels 

2343 ISO-B mod.* ~ X37CrMoV5-1 0.35 0.30 0.40 ≤ 0.010 ≤ 0.003 5.00 1.35 -- 0.50 

2379 ISO-B X153CrMoV12 1.45–1.60 0.10–0.60 0.20–0.60 ≤ 0.030 ≤ 0.005 11.00–13.00 0.70–1.00 -- 0.70–1.00 

2767 ISO-B 45NiCrMo16 0.40–0.50 0.10–0.40 0.20–0.50 ≤ 0.030 ≤ 0.003 1.20–1.50 0.15–0.35 3.80–4.30 -- 

2842 90MnCrV8 0.85–0.95 0.10–0.40 1.80–2.20 ≤ 0.030 ≤ 0.030 0.20–0.50 -- -- 0.05–0.20 

Corrosion-resistant steels 

2083 ISO-B X40Cr14 0.36–0.42 ≤ 1.00 ≤ 1.00 ≤ 0.030 ≤ 0.003 12.50–14.50 -- -- -- 

2085 X33CrS16 0.28–0.38 ≤ 1.00 ≤ 1.40 ≤ 0.030 0.05–0.10 15.00–17.00 -- ≤ 1.00 -- 

2316 ISO-B mod.* ~ X38CrMo16 0.28 0.30 0.95 ≤ 0.030 ≤ 0.003 14.20 1.10 ~ 0.50 -- 

Nitriding steels 

7735 14CrMoV6-9 0.11–0.17 ≤ 0.25 0.80–1.00 ≤ 0.020 ≤ 0.015 1.25–1.50 0.80–1.00 -- 0.20–0.30 

8519 31CrMoV9 0.27–0.34 ≤ 0.40 0.40–0.70 ≤ 0.025 ≤ 0.035 2.30–2.70 0.15–0.25 -- 0.10–0.20 

8550 34CrAlNi7-10 0.30–0.37 ≤ 0.40 0.40–0.70 ≤ 0.025 ≤ 0.035 1.50–1.80 0.15–0.25 0.85–1.15 Al 0.80– 

1.20

DEVILLE Rectification Buderus 

An Innovative and 

Dynamic Partner 

Deville Rectification is an important partner for Buderus Edelstahl 

GmbH, producing high-grade milled and ground plate and ingots 

of steel, stainless special steel and aluminium. DEVILLE RECTIFI- 

CATION holds an exceptional range of stock, and guarantees the 

highest quality, combined with speed and service. DEVILLE RECTI- 

FICATION zeichnet sich durch seine ständigen Fortschritt im Hinblick 

auf die Kundenzufriedenheit seiner Kunden aus und ist ISO 

9001 Version 2008 zertifiziert. DEVILLE RECTIFICATION is distinguished 

by its systematic pursuit of customer satisfaction, and is 

certified to ISO 9001 version 2008. 

Deville Rectification offers: 

I Pre-machined parts, ingots and plate with weights ranging 

from a few grams to 25 tonnes 

I A range of stock with a total of 16 grades of steel and 5 grades 

of aluminium 

I Dimensions ranging from 7 to 500 mm in thickness available 

ex stock 

I Larger and smaller dimensions available on request 

Versandvorbereitung 

Deville machining equipment is amongst the most efficient 

in the industry: 

I Sawing max.: 1,000 x 1,250 x 4,000 mm 

I Flame cutting max.: 3,000 x 13,000 mm 

I Grinding max.: 2,500 x 4,200 mm 

I Milling max.: 2,500 x 8,000 mm 

I Tolerances: to specification 

I Grades in stock: approx. 5 days delivery 

Supply and machining of plate in all dimensions for all industrial 

applications: general machine building, tool and machine maintenance, 

mould making, stamping / deep drawing, special-purpose 

machines, inspection instruments 

Blanks: flame cut, sawn, laser cut 

Sides: burnt, sawn, milled, ground 

Support surfaces: milled, disk ground, surface ground 

Machining: drilling, milling, grinding, CNC machining 

Surface machining: grinding 

19

MEXICO 

Global network 

USA 

CANADA 

ARGENTINA 

BRAZIL 

SWEDEN 

FINLAND 

UK 

IRELAND 

NETHERLANDS GERMANY 

FRANCE 

AUSTRIA 

SWITZERLAND 

ROMANIA 

ITALY 

PORTUGAL 

TURKEY 

SPAIN GREECE 

SOUTH AFRICA 

Buderus Edelstahl, a name that stands for the production and refinement 

of high-grade special steels. Buderus Edelstahl is a global 

front runner in this sophisticated sector. Outstanding quality, 

efficiency and speed are as much a matter of course for Buderus 

Edelstahl GmbH as flexibility and service. More than 50 agents 

with stockholding and service centres provide close customer 

support and market coverage. 

Legal notice: Buderus Edelstahl GmbH has taken the greatest care in compiling the information in this leaflet. 

It is nevertheless possible that data may have changed in the meantime. Buderus Edelstahl GmbH disclaims 

all liability or warranty as regards the accuracy, currency, correctness and completeness of the information 

provided, and any consequences arising from the use of the information. The information provided is 

merely indicative, and is binding only if it is expressly made a condition in a contract concluded with Buderus 

Edelstahl GmbH. Buderus Edelstahl GmbH moreover reserves the right to make changes at any time without 

notice. Buderus Edelstahl GmbH repudiates all liability for loss of any kind, including consequential loss, 

arising in connection with use of the information provided. © Buderus Edelstahl GmbH, Wetzlar, 11 / 2010 

INDIA 

THAILAND 

CHINA 

HONG KONG 

MALAYSIA 

SINGAPORE 

INDONESIA 

SOUTH KOREA 

TAIWAN 

PHILLIPPINES 

AUSTRALIA 

We supply quality products that are used in automotive and drive 

technology, in plant engineering and machine building, and in die 

and mould making: 

I Rolled billets 

I Open die forgings from ingots weighing up to 160 tonnes 

I Tool steels for mould and die making 

I Special engineering steels for plant and gear engineering 

I Hot and cold strip 

Buderus Edelstahl GmbH 

Vertriebssparte Stabstahl / Lagerservice 

Buderusstr. 25 

D-35576 Wetzlar 

Tel.: +49 (0) 64 41 / 374 - 0 

Fax: +49 (0) 64 41 / 374 - 2431 

E-Mail: sv-l@buderus-steel.com 

www.buderus-steel.com 

11/10/DX/B/F (en)

Tool Steels for the Plastics Industry - Buderus Edelstahl Gmbh

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